London vs Cologne

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in July. London offers 11 hours of daily sunshine with only 11 rain days, while Cologne sees 11 sunshine hours and 13 rain days.

London sits in the comfortable travel range at 22°C. Cologne is also comfortable at 23°C.

For travelers who prioritize dry weather, London is the stronger choice in July.

London reaches an average high of 22°C (72°F) and drops to 13°C (55°F) at night during July. The daily temperature range is 9°C, meaning moderate variation throughout the day.

Cologne averages 23°C (73°F) for the high and 15°C (59°F) for the low, with a daily range of 8°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in July.

London receives approximately 55 mm of rainfall across 11 rain days during July. You can expect rain roughly every other day.

Cologne sees 82 mm over 13 rain days. That makes London the drier option by 2 rain days and 27 mm of total precipitation.

Both cities share similar humidity levels at 65%.